67results about How to "Realize the insulation effect" patented technology

The invention discloses an infrared heat pump drying machine, which comprises a drying chamber, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps and a plurality of infrared heat pumps, and is characterized in that the infrared heat pumps are arranged on the infrared heat pumps; the heat pump drying system comprises a heat pump drying outer box, an evaporator, a compressor and a condenser, the evaporator, the compressor and the condenser are arranged in the heat pump drying outer box, humid air in the drying chamber enters the heat pump drying outer box through an air outlet and an air return pipe, and the humid air is conveyed back to the drying chamber through an air supply pipe and an air supply outlet after being dried, dehydrated and heated by a heat pump; and the infrared drying system comprises a pair of infrared drying racks and a pair of carbon fiber infrared radiant panel groups. The invention further discloses an infrared heat pump drying method. Infrared drying and heat pump drying can be combined for use, the rapid heating characteristic of infrared rays can be utilized, heat can be recycled through a heat pump system, and the dual purposes of energy conservation and high efficiency are achieved.

This invention provides a glass melt conveying device and its temperature control method, comprising an inner wall, an outer wall, and a cavity disposed between the inner and outer walls; both the inner and outer walls are made of refractory materials; the surface of the inner wall is provided with an anti-erosion layer; multiple inner wall temperature detectors are uniformly arranged in the inner wall; the outer sides of the two walls of the cavity are respectively attached to the inner and outer walls; multiple supports are uniformly arranged in the cavity; the two ends of the supports are respectively fixed to the inner sides of the two walls of the cavity. This invention can achieve a heat preservation effect on the bottom and sides of the glass melt through the anti-erosion layer, preventing related defects caused by temperature differences. At the same time, using non-precious metals such as molybdenum as the anti-erosion layer to prevent the glass melt from eroding greatly reduces construction costs; for platinum tube-type glass melt conveying devices, molybdenum electrode heating can be used instead of platinum heating in the high-temperature section, eliminating the situation where the entire channel is electrified, thereby improving production safety.

The invention relates to the field of house buildings, and discloses a large indoor ski field thermal insulation engineering fireproof isolation belt setting method which comprises the following steps: S1, three-dimensional plane arrangement: positioning and typesetting fireproof isolation belts and fireproof isolation belt columns; s2, keels are installed, specifically, vertical keels and transverse keels are installed to serve as fireproof isolation belt columns, the vertical keels are perpendicular to the ground, the transverse keels are parallel to the snowways, and the vertical keels and the transverse keels are connected in a welded mode; s3, heat preservation and fireproof isolation belt installation, wherein the rock wool boards are fixed to fireproof isolation belt columns through mushroom nails, and the abutted seams are coated with sealant; a gap of 30 mm is reserved between the rock wool board and the PIR composite board; and S4, partition arrangement is conducted, specifically, partitions are arranged at the vertical keels and the transverse keels every 50 M, and a continuous fireproof isolation belt is formed. The PIR insulation board with the combustion performance of B1 grade and the special rock wool board with the combustion performance of A grade for fireproof isolation are scientifically combined, so that the dual functions of insulation and fire prevention are successfully realized.

The invention provides an energy-saving and environment-friendly building curtain wall and a mounting method thereof, and relates to the field of building curtain walls. The capillary network curtain wall comprises a capillary network, an installation support and a curtain wall body, the capillary network is laid on the outer wall of a building, the installation support is connected with the outer wall of the building through bolts and located on the outer side of the capillary network, and the curtain wall body is assembled on the installation support; an upper water tank is arranged at the top of the building, a lower water tank is arranged at the bottom of the building, a plurality of heat collecting pipes are arranged on the outer wall of the upper water tank and used for absorbing solar radiation energy and heating water in the upper water tank, the upper water tank is communicated with the capillary network through an upper water pipe, and the lower water tank is communicated with the capillary network through a lower water pipe. And the capillary network is communicated with the lower water tank through a lower water pipe. The building heat preservation system has the effect of achieving heat preservation of a building.

The utility model discloses a heating unit mould, which relates to the technical field of semiconductors, and comprises a base I, a base II, an upper cover plate, a heat conduction track and a heating component, the upper cover plate is arranged at the upper part of the base I, the heat conduction track is arranged at the upper part of the base II, and the heat conduction track is connected with the upper cover plate; a rail groove capable of containing a heated object is reserved in the heat conduction rail, the heating component is installed in the heat conduction rail, and heat generated by the heating component can be transmitted to the heat conduction rail. According to the heating unit mold, the core structure is the heat conduction track and the heating component, a chip needing heat preservation is located in the heat conduction track, the heating component can heat the heat conduction track, under the heat conduction effect, heat can be finally transmitted to the environment where the chip is located, and therefore the heat preservation effect on the chip in the chip conveying process is achieved.

The utility model discloses a candy packaging paper structure with a multi-layer antibacterial coating component, which comprises an outer paper shell, an antibacterial mechanism is arranged in the outer paper shell and used for packaging candies, the antibacterial mechanism comprises a sealing unit and is arranged in an inner cavity of the outer paper shell and used for sealing internal candies, the sealing unit comprises edible gum, and the edible gum is arranged in the inner cavity of the outer paper shell and used for sealing the internal candies. The edible gum is fixedly smeared on an inner cavity of the outer paper shell, and the surface of the edible gum is fixedly connected with an inner film. According to the candy packaging paper structure with the multi-layer antibacterial coating assembly, the edible glue is fixedly smeared in the inner cavity of the outer paper shell, the surface of the edible glue is fixedly connected with the inner film, and the candies are fixed in the inner film, so that the problem of ink leakage caused by friction of candy packaging paper due to factors such as extrusion in the transportation process of the candies is solved; the problems of chemical pollution of an external package and bacterial pollution in air are solved, double-layer paper is connected through glue, and protection of candies is increased.

The present invention discloses a boiler annular bellows structure, the technical solution of which is as follows: it includes a burner, a furnace and a furnace pipe arranged around the furnace, and also includes an annular bellows and a band. The annular bellows is arranged around the outside of the furnace pipe, the band is fixed between the furnace pipe and the annular bellows, the furnace pipes are stacked and arranged on the inner wall of the band to form a furnace pipe wall, the burner is arranged through the furnace pipe wall, a first flexible cushion layer is provided between adjacent furnace pipes, a second flexible cushion layer is provided on the side of the furnace pipe close to the annular bellows, the second flexible cushion layer extends to the outer wall of the band, the edge of the annular bellows is connected to the furnace pipe to form an annular sealing channel, and the annular sealing channel is respectively connected to the air supply pipeline and the air inlet of the burner. The boiler annular bellows structure of the present invention can effectively avoid the leakage problem of high-temperature dust and improve the factory environment. The present invention also provides a sealing method for the boiler annular bellows structure.

The utility model relates to the field of steel pipe welding production, in particular to an electric heating tool for assisting in heating a welding seam of a pipe joint. The device comprises a shell, a containing groove, a containing piece, a hinged hinge, a fixing rod and magnetic steel. The number of the shells is two, the two shells are arranged side by side in parallel, the containing grooves are formed in the corresponding faces of the two shells, the number of the containing pieces is one set, one set of containing pieces are arranged between the two shells side by side in parallel, every two adjacent containing pieces are hinged through the hinge hinges, and the containing pieces are arranged in the containing grooves. The at least two fixing rods are installed at the top ends of the two containing pieces adjacent to the two shells, and the at least two pieces of magnetic steel are fixedly installed at the two ends of the fixing rods.

This utility model belongs to the field of mold manufacturing technology and discloses a vulcanizing mold, including a mold body, an electric heating component, and an insulation layer. The side wall of the mold body is provided with a first receiving groove extending circumferentially along the mold body. The electric heating component includes an electric heating tube snapped into the first receiving groove. The insulation layer is wrapped on the side wall. The electric heating tube is located between the insulation layer and the mold body and is spaced apart from the insulation layer. A wiring groove is also provided on the side wall. The first end and the last end of the first receiving groove are connected to the wiring groove. The first and second wiring ends of the electric heating tube are located in the wiring groove. There are multiple first receiving grooves, wiring grooves, and electric heating components, and they correspond one-to-one. The orthographic projection of the multiple wiring grooves on the reference plane is evenly distributed along the circumference of the mold body. The reference plane is perpendicular to the axis of the mold body, thereby improving the heating efficiency of the mold body, reducing heat loss and maintenance difficulty, and improving the uniformity of the circumferential temperature of the mold body.

This invention relates to a liquid tension control method for improving wafer drying efficiency, comprising: First, placing a wafer cassette connected to a oscillating mechanism into a drying tank, loading wafers into the cassette, and ensuring the drying tank and its dome are sealed together, with a small amount of gas evacuated; Second, injecting room-temperature nitrogen gas through the dome and injecting ultrapure water into the drying tank to wet the wafer surface; Third, after the wafer surface is wetted, performing the following operations: S1: Injecting a mixture of isopropanol and heated nitrogen gas into the drying tank using a dedicated integrated module, while simultaneously discharging ultrapure water at a controlled rate from the bottom of the drying tank; S2: During the ultrapure water discharge, operating the oscillating mechanism to carry the wafer in a planetary oscillation, accelerating the removal of water molecules from the wafer; Fourth, repeating the wafer drying process. This invention utilizes planetary arc-shaped oscillation drying technology to accelerate the removal of residual moisture from the wafer surface, achieving rapid wafer drying through effective control of liquid tension.

The invention relates to the technical field of semiconductors, in particular to a heating device of an exhaust pipe and semiconductor equipment, and solves the problem that the exhaust pipe is blocked due to the fact that the temperature of the exhaust pipe is too low when the semiconductor equipment is subjected to a process. The heating device of the exhaust pipe comprises a heating assembly and a heat conduction assembly arranged between the heating assembly and the exhaust pipe. The heating assembly generates heat, and the heat conduction assembly transmits the heat to the exhaust pipe to heat and preserve heat of the exhaust pipe, so that the exhaust pipe is prevented from being blocked due to the fact that the temperature of the exhaust pipe is too low. In addition, under the condition that the temperature of the exhaust pipe is larger than or equal to the preset temperature, the heat conduction assembly can prevent at least part of heat of the exhaust pipe from being transmitted to the heating assembly, and therefore the situation that excessive heat is transmitted to the heating assembly, and consequently the heating assembly is damaged is avoided.

The invention discloses a porcelain baking furnace for false tooth processing, and relates to the technical field of false tooth processing, the porcelain baking furnace comprises a porcelain baking furnace mechanism and an exhaust pipe installed at the top of the porcelain baking furnace mechanism, the bottom of the porcelain baking furnace mechanism is provided with a cooling mechanism, one side of the bottom of the cooling mechanism is provided with a drainage pipe, the porcelain baking furnace mechanism comprises an opening and closing support, and the opening and closing support is provided with a water outlet. Opening and closing sliding grooves are formed in the periphery of the interior of the opening and closing support, the furnace body is fixedly installed in the center of the top of the opening and closing support, the exhaust pipe is fixedly installed at the top of the furnace body, closed sliding grooves are formed in the periphery of the inner side of the bottom of the furnace body, and a cylindrical spiral heating wire is fixedly installed in the furnace body; the opening and closing sliding sleeve can drive the triangular plugging block to slide relatively, so that the bottom of the furnace body is sealed, the heat preservation effect of the furnace body can be achieved, the false tooth can be rapidly dried by utilizing waste heat in the furnace body, waste heat recycling is achieved, and the effect of saving resources is achieved.

The application discloses a safe and environment-friendly construction process for membrane bag thermal insulation board external thermal insulation engineering and relates to the technical field of engineering construction, which comprises the following steps: S1, base surface treatment; S2, membrane bag thermal insulation board installation; S3, membrane bag thermal insulation board surface treatment; and S4, membrane bag thermal insulation board external treatment. The decoration treatment of the membrane bag thermal insulation board external part comprises mortar construction, putty powder construction, flexible facing plate construction or keel frame construction. The keel frame construction is used for installing a keel frame and a heat insulation gasket on the outer side of the membrane bag thermal insulation board. Through the construction of the membrane bag thermal insulation board external part, the four thermal insulation board brackets are matched to form limiting holes, and it is not necessary to additionally punch holes on the membrane bag thermal insulation board, so that the integrity of the membrane bag thermal insulation board is ensured, the construction process of the membrane bag thermal insulation board is shortened, the installed facing plate main body and the membrane bag thermal insulation board can be quickly installed and disassembled through the set keel frame matched with the limiting holes, and the maintenance difficulty and cost of the membrane bag thermal insulation board are reduced.

The invention relates to the technical field of vacuum cups, in particular to a heat dissipation vacuum cup with an automatic temperature control function. Comprising a cup body and a cup cover. The cup cover comprises a fixed part and a movable part, the fixed part is used for being connected with the cup body, and an open fixed pipe is arranged on the face, facing the movable part, of the fixed part. The movable part is provided with a fan, the movable part is provided with a ventilation pipe which penetrates through the movable part, extends into the fixed pipe and is connected with the bottom surface of the fixed pipe through a spring, an electromagnet is further arranged at the joint of the ventilation pipe and the spring, and ferromagnetic metal is arranged at the position, corresponding to the electromagnet, in the fixed pipe. The ventilation pipe and the fixed pipe are both provided with ventilation holes, and when the electromagnet attracts ferromagnetic metal, the fixed part is attached to the movable part, so that the ventilation holes in the ventilation pipe and the fixed pipe are staggered, and heat preservation is conducted. When the electromagnet is closed, the spring jacks up the ventilation pipe to enable the fixed part and the movable part to be separated from the attaching state, the ventilation holes in the ventilation pipe and the fixed part are aligned, and the fan extracts hot air from the ventilation opening to achieve the heat dissipation effect.

The invention discloses a meal serving unit of a continuous meal delivery vending machine and an application method, the meal serving unit comprises a rack, a meal storage device arranged on the rack, a meal distribution device arranged below the meal storage device, and a rice shaping device arranged at the tail end of a conveying belt and used for shaping rice; the steam components are arranged on the two sides of the rice distributing device so that rice in the rice distributing device can be in a constant-temperature state, the steam components are communicated with the constant-temperature heating water tank, and the rice shaping device and the rice distributing device are matched with each other in space; the rice shaping device comprises a rice cup assembly arranged below the tail end of the rice distributing device and provided with a rice containing space, a rice cutting and scraping plate assembly arranged above the tail end of the rice distributing device and a rice shaping assembly arranged above the rice cup assembly, the lower end of the rice shaping assembly extends into the rice cup assembly, and the rice shaping assembly shapes rice. Through cooperative work of all the assemblies of the whole system, automatic distribution, heat preservation and shaping of rice are achieved, and the automation degree and working efficiency of the vending machine and the attractiveness of the rice are greatly improved. Meanwhile, through constant-temperature control of the steam component, the palatable temperature and freshness of the rice are ensured, and the dining experience of a user is improved.

The application relates to the technical field of building insulation boards, and provides a fabricated building insulation floor slab, which comprises two parallel formworks, the opposite sides of the two formworks are provided with insulation boards, a plurality of symmetrical connecting frames are arranged on the formworks, U-shaped steel bars are arranged between the two symmetrical connecting frames, vertical steel bars and horizontal steel bars are bound between the U-shaped steel bars, and a pouring layer poured through concrete is arranged between the two insulation boards. The fabricated building insulation floor slab has the beneficial effects that the two symmetrical formworks and the insulation boards are fixed through the U-shaped steel bars, and the pouring through the concrete improves the overall stability, the insulation effect is realized through the insulation boards, the two adjacent formworks are quickly assembled, the energy-saving and efficiency-reducing function is realized, the working efficiency is improved, and the building insulation energy-saving effect is improved.

The utility model relates to air treatment equipment technical field especially relates to a kind of hidden nail frameless air conditioner box structure.The utility model is formed by air conditioner box structure of panel, fastening screw, turn bag hole assembly;Panel is connected by fastening screw and turn bag hole with hidden nail type, and the corner of air conditioner box is equipped with reinforcing corner piece to strengthen connection strength, and the inside of panel is equipped with reinforcing rib to promote rigidity, and wind baffle is additionally arranged in box cavity to realize secondary structure strengthening, panel joint is equipped with panel material, panel inter material and sealant to realize heat preservation sealing, and access door and panel assembly form integral sealing structure.The utility model is strengthened by multilayer structure, cancels traditional main frame still guarantee structure strength, and hidden nail design makes the outer surface of equipment without exposed nail head, with aesthetic property and security, all adopt fastener connection without welding procedure, improve production installation efficiency, while heat preservation sealing structure guarantees air treatment effect, and it is suitable for air treatment system in people flow dense place.

The application discloses a composite wall body with a dry connection structure, which comprises an outer wallboard, an inner wallboard and a connecting and fixing mechanism, wherein the connecting and fixing mechanism comprises a second connecting keel and a plurality of first connecting keels, the second connecting keel is a rectangular frame structure parallel to the outer wallboard, the outer side of the rectangular frame structure is covered and connected with a gypsum board sealing layer to form a rectangular plate, the first connecting keel is fixed between the outer wallboard and the rectangular plate on one side and between the inner wallboard and the rectangular plate on the other side, the side edge of the gypsum board sealing layer is connected with a cement insertion block and a steel bar fixing strip, a fitting opening is formed on the other side edge of the gypsum board sealing layer, a second connecting keel on one side of the fitting opening is provided with an insertion opening, and the cement insertion block can be inserted into the fitting opening. The cement insertion block and the steel bar fixing strip can be inserted into the inside of another composite wall body for fixing, and the prefabricated composite wall body can be fixed and reinforced.

This invention provides a lightweight fiber-reinforced foamed polyester composite material for low-altitude logistics drones. Utilizing a carbon fiber / glass fiber hybrid reinforcement system and leveraging the positive hybridization effect, it achieves excellent mechanical properties at low density, reducing weight by more than 70% compared to traditional aluminum alloy cargo holds. This significantly improves the drone's effective payload and range. Simultaneously, surface modification achieves strong interfacial bonding between the fiber and the matrix, fully maximizing the reinforcement effect and addressing the pain point of insufficient mechanical properties in foamed materials. A dual heterogeneous nucleation system of "hybrid fiber + organically modified montmorillonite" is constructed, combined with a microencapsulated controllable decomposition foaming agent, enabling precise control of cell size and structure. The high closed-cell structure not only achieves excellent cushioning and protection performance through cell deformation but also achieves low thermal conductivity through a static air layer. A two-stage, one-step foaming molding process is employed, adapting to the needs of small-batch, multi-variety, and low-cost large-scale production of low-altitude logistics drone cargo holds.

The utility model discloses a laser cladding preheating heat preservation device which comprises a laser cladding machining table and a bottom plate, the top end of the laser cladding machining table is fixedly connected with the bottom plate, rotating clamp seats are erected on the left side and the right side of the bottom plate respectively, metal rod pieces are fixed to the rotating clamp seats, and a hollow cavity is formed in the bottom plate. According to the laser cladding preheating heat preservation device, a first motor, a first gear, a second gear, a linear screw rod and a threaded sleeve are arranged, a heat preservation device body is a movable preheating cover composed of two sets of half cover bodies, a workpiece part needing cladding is heated in advance according to the laser cladding speed, and the workpiece part synchronously moves rightwards along with a laser cladding head; and the function of automatic movement can ensure that the whole section of the metal rod is heated and positioned to the required position so as to realize preheating and heat preservation of a workpiece, so that the working efficiency is improved, a better laser cladding effect is achieved, and the problems of preheating and heat preservation are solved.

The utility model provides a thermal insulation device for an optical fiber gyroscope, which comprises a mounting base, an optical fiber gyroscope arranged on the mounting base and a double-layer shell structure arranged on the mounting base on the outer side of the optical fiber gyroscope, and the double-layer shell structure comprises an outer shell and an inner shell arranged in the outer shell; wherein the inner shell comprises a fixed inner shell of which one end is provided with an opening, and a movable inner shell which is connected to the fixed inner shell in a sliding manner and is used for opening and closing the opening; a ventilation fan and a temperature sensor are installed in the fixed inner shell, at least one air circulation piece is installed on each of the fixed inner shell and the movable inner shell, and at least one pair of ventilation holes is formed in the side wall of the outer shell. According to the heat preservation device, on the inner shell structure, a selective air circulation structure is achieved through sliding connection of the fixed inner shell and the movable inner shell, so that the heat preservation device is suitable for temperature regulation and control within different temperature difference ranges, and the temperature regulation mode is more flexible.

The utility model relates to a cloud cabin structure based on polyurethane heat preservation layer and broken bridge aluminum door and window, and from inside to outside includes interior finish, main steel frame, heat preservation layer, reinforcing layer and exterior finish in proper order, the interior finish is fixed in the main steel frame inboard through light keel, the main steel frame includes the vertical column, horizontal crossbeam and roof beam frame that connect each other, the vertical column and roof beam frame are connected with the vertical column through connecting piece, utilize foam board and foaming layer to form double -deck gradient heat preservation barrier in cloud cabin, can effectively block water vapor and heat conduction path, realize the heat preservation effect of cloud cabin, through the bolt quick -welding mode connection bracing piece fixed block, crossbeam fixed block, roof beam frame fixed block on the vertical column, and set up the sleeve pipe of quick -welding mode connection bracing piece fixed block on the bracing piece fixed block, effectively improve the installation convenience of main steel frame, set up reinforcing layer can improve the overall strength of cloud cabin, can improve its wind resistance strength.

The utility model discloses an asphalt mixture heat preservation transportation device which comprises a box body and a moving assembly. The moving assembly is connected with the box body so that the box body can move. A heat preservation assembly and a cavity are arranged in the box body; the heat preservation assembly comprises a first constant-temperature cavity, a second constant-temperature cavity, a first heat conduction pipe and a second heat conduction pipe. The first constant-temperature cavity and the second constant-temperature cavity are respectively formed in the box body and are respectively positioned on two opposite sides of the cavity body; one end of the first constant-temperature cavity is communicated with one end of the second constant-temperature cavity; the first heat conduction pipe is erected in the box body and penetrates through the cavity, and one end of the first heat conduction pipe communicates with the first constant-temperature cavity; the second heat conduction pipe is erected in the box body and penetrates through the cavity, and the two ends of the second heat conduction pipe communicate with the other end of the first constant-temperature cavity and the other end of the second constant-temperature cavity correspondingly. The first heat conduction pipe and the second heat conduction pipe can heat or preserve heat of the asphalt mixture in the box body, so that local overheating or underheating is avoided.

The utility model relates to a waste heat normalizing device technical field, concretely relates to a nodular cast iron spare waste heat normalizing device, including heat preservation box, ventilation fan no.

This utility model discloses a temperature-controlled gas adsorption tank, belonging to the field of gas purification technology. It includes a reaction tank body filled with packing material for the reaction. A cooling coil is also installed inside the reaction tank, positioned between the packing material. A channel is provided on the inner wall of the reaction tank, communicating with the cooling coil. A discharge pipe B is installed inside the reaction tank, with its lower end located at the lower end of the reaction tank and its upper end penetrating the upper wall of the reaction tank and extending outside. The reaction tank can freely switch between heating and cooling functions to meet the process requirements of heating and cooling. Temperature control is achieved through the upper heater and the middle cooling coil, while the double-layered container in the middle provides insulation and a water (gas) bath effect.

The utility model relates to the technical field of roof cooling, and discloses a roof watering and cooling device which comprises a plurality of first brick piers and second brick piers which are arranged on a roof plane in rows in an array mode, a heat insulation plate, a third brick pier, a main water conveying pipe, a water conveying branch pipe, a rotating spray head, a water storage pool, a water pump and a drainage groove. Heat preservation and heat insulation in a room can be achieved through the arrangement of the heat insulation plate, the rotary spray head is arranged, water is supplied to the rotary spray head, water is automatically sprayed to the heat insulation plate, and therefore the roof is cooled, the cooling effect is good, the cooling efficiency is high, the heat insulation plate is obliquely arranged, and the drainage groove is formed in the tail end of the heat insulation plate. Water which is not evaporated in time can be drained and collected, cooling water can be recycled conveniently, waste of water resources can be effectively avoided, and the water resources and the cooling water cost can be saved conveniently.

The application discloses an anti-freezing low-temperature gate valve, which comprises a valve body, connecting pipes, a valve cover, a sealing seat, connecting pipes are communicated with both sides of the valve body, the upper end of the valve body is fixedly installed with the valve cover through bolts, the upper end of the valve cover is fixedly installed with the sealing seat through bolts, and the gap between the sealing seat and the valve cover is filled with packing; the anti-freezing low-temperature gate valve further comprises a threaded rod, which is rotatably connected to the inner side of the sealing seat, the upper end of the threaded rod is fixedly connected with a knob through bolts, the lower end of the threaded rod is connected with a movable cylinder, and the lower end of the movable cylinder is fixedly installed with a gate plate; an elastic torsion spring is arranged on the inner side of the gate plate; and a liquid tank is fixedly installed on the inner wall of the connecting pipe. The anti-freezing low-temperature gate valve can store the elastic torsion spring by using the liquid flow when the valve is opened, and can generate heat and store heat by using the liquid flow, so that the liquid inside the valve body can be kept warm and stirred after the valve is closed, and the valve body is effectively prevented from freezing.

The present invention provides a stretchable sperm collector, including a sperm collector shell, a vibration device installed on the sperm collector shell, a power supply device connected to the vibration device, and a sleeve connected to the inside of the sperm collector shell. The sleeve can be extended from the sperm collector shell when in use, and can be completely stored in the sperm collector shell when not in use. The sleeve is provided with a first channel for the sperm collection sleeve to pass through. In this technical solution, by providing a stretchable sleeve on the stretchable sperm collector shell, the volume of the sperm collector is greatly reduced compared with the traditional sperm collector, making the sperm collector easy to store and carry, and improving the concealment. At the same time, when in use, the stretchable sleeve can achieve the heat preservation effect on the sperm collection sleeve, enhance the experience of the sperm collector, and improve the sperm collection efficiency.

The invention belongs to the technical field of PCB flexible board processing, and discloses PCB flexible board processing thermocuring equipment which comprises a processing cover, a feeding pipe fixedly communicates with the inclined upper portion of the outer surface of the processing cover, a rotating disc is rotationally arranged in the processing cover, and an adaptive groove is formed in the front face of the rotating disc. According to the invention, through cooperation with the feed port, the discharge port and the notch at different positions on the processing cover, after rapid positioning and sleeving of the PCB soft board are completed, interference-free rotation processing is carried out by switching to the notch, and continuous hot air blowing on two sides of the PCB soft board in the rotating disc is utilized, so that the PCB soft board can be rapidly positioned and sleeved after rapid positioning and sleeving of the PCB soft board are realized. And subsequent rotary hot air blowing is carried out, so that rapid heating and curing of the upper surface of the PCB soft board are realized, special turn-over treatment on the PCB soft board is avoided, actual double-sided curing is uniform and effective, uniform heating of each part of the PCB soft board during curing is ensured, and while double-sided heating and curing are realized, the actual curing heating uniformity is greatly improved, and the curing performance of the PCB soft board is stable.